A parameter which requires the power off was input, turn off power. * TH PARITY ALARM. TH alarm (A character with incorrect parity... MRO Electric Mori Seiki EX Alarm Code List | PDF | Coordinate System - Scribd * TH PARITY ALARM TH. alarm (A character with incorrect parity was input). Correct the tape. * TV PARITY ALARM TV alarm (The numbe... Scribd Mori Seiki EX Alarm Code List | PDF | Switch - Scribd EX2945 STEADY REST CLAMP A T-command has been given while the ateady. PER2945. SIGNAL IS OFF rest is not clamped. EX2946 A steady ... Scribd Mori Seiki EX Alarm Codes Overview | PDF | Lubricant - Scribd ・Spindle unit is abnormal. EX0491 Spindle speed abnormality has been detected. ... not correct. ・Spindle unit is abnormal. ... OVE... Scribd All downloads and PDF documents from DMG MORI All topics. Milling (62) Turning (59) Automation (13) Digitization (12) Service & Training (11) Grinding (8) ADDITIVE MANUFACTURIN... DMG MORI Canada top Legacy Mori Seiki CNC Error Codes Explained & How To Fix Jan 26, 2026 —

Mori Seiki alarms are categorized by severity. Before troubleshooting:

When an alarm triggers, follow this standard procedure:

| Alarm Code | Message | Operator Action | | :--- | :--- | :--- | | | Coolant Tank Low Level | Refill coolant (10% emulsion). Reset float switch. | | EX 1033 | Chip Conveyor Motor Overload | Clear jammed chips. Press red reset button on conveyor motor box. | | EX 2055 | Auto Door Latch Failed (NLX/NZX) | Clean door rail. Check air solenoid (24V). | | WM 0001 | Weekly Lube Cycle Required | Push "Lube Manually" button. Run spindle at 500 RPM for 5 min. | | P/S 041 | Illegal G-code (G00.1 not allowed) | Check program for decimal point errors or modal conflicts. |

If your machine uses a Fanuc control, you may see these numeric-only codes. Mori Seiki EX Alarm Code List | PDF - Scribd

1.2 Approved for: Field Service Engineers & Lead Operators

| Alarm Code | Message | Solution | | :--- | :--- | :--- | | | Z-Axis Brake Interlock | Release mechanical brake (red knob on servo motor). Replace brake coil if burnt. | | SV 410 | Servo Mismatch (B-Axis) | Re-home turret. Check torque limiter coupling for slipping. | | SV 102 | Encoder Battery Voltage Low (Absolute) | Replace battery on servo amp with power ON. Perform zero-return setup. |

– A cycle start was attempted while the chuck was open or not properly secured.